Malicious PDF — malware analysis report

Static analysis result for SHA-256 e93a58a87ea4bfad…

MALICIOUS

PDF

54.6 KB Created: 2020-08-02 11:55:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 79dbe9053a6c639284a3fe4239481838 SHA-1: 41dcb9a52aeb3deb6ebbaaeed44078d95f34b28b SHA-256: e93a58a87ea4bfad98b739f75c023aeb83f53172596f029306b41a356547c436
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=kotor+cheat+codes'. The document body, though heavily obfuscated, also contains this URL and references to 'Kotor cheat codes', suggesting a lure to trick users into clicking the malicious link. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, likely for SEO manipulation or to host further malicious content.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=kotor+cheat+codes
    • http://files.dgw-america.org/uploads/1/3/1/4/131408209/99d5ed317972.pdf
    • http://files.accianiengineering.com/uploads/1/3/1/0/131070149/nibuf.pdf
    • http://files.paradigmshiftedu.com/uploads/1/3/0/8/130813483/ratobukezifilezipono.pdf
    • http://files.carolinastormhedgehogs.com/uploads/1/3/1/6/131637291/fanipewonosewagafuv.pdf
    • http://files.philjeremypersonaltraining.com/uploads/1/3/0/7/130776460/luneputuni.pdf
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/mesodamexewefo.pdf
    • https://cdn.shopify.com/s/files/1/0437/5409/4743/files/8290490821.pdf
    • https://cdn.shopify.com/s/files/1/0434/1910/7480/files/70744683794.pdf
    • https://cdn.shopify.com/s/files/1/0431/6558/1469/files/87180209236.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tesip.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5303/files/zatezimapekusokuru.pdf
    • https://cdn.shopify.com/s/files/1/0428/8974/0441/files/56702941315.pdf
    • https://cdn.shopify.com/s/files/1/0429/2375/3635/files/tetoxorexa.pdf
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/58802586402.pdf
    • https://cdn.shopify.com/s/files/1/0435/5178/5109/files/52919112852.pdf
    • https://cdn.shopify.com/s/files/1/0433/1339/7913/files/jaxinekasigatalud.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1298/files/79903899988.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008bc5.bin
932dde1a87e7be602d1e0f225a88609728b4c8b3c1e921ebd80e6173c4326656		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC5 4964 bytes
font_01_sfnt_off00009ca5.bin
75a34c44c42a0a245910a4a9d2b562d0fb7f6b4121043910055da0acc90fe7b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CA5 15920 bytes

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